Hair iron



FIG. 1 is a perspective view of a hair iron;

FIG. 2 is a front view of the hair iron;

FIG. 3 is a rear view of the hair iron;

FIG. 4 is a left-side view of the hair iron;

FIG. 5 is a right-side view of the hair iron;

FIG. 6 is a top plan view of the hair iron;

FIG. 7 is a bottom plan view of the hair iron; and,

FIG. 8 is an enlarged cross-sectional taken along lines 2-2 in FIG. 2. 

CLAIM The ornamental design for a hair iron, as shown and described. 